How To Fix WM167 - Material group not defined in assortment mat. group master

SAP Error Message - Details

• Message type: E = Error

• Message class: WM - IS-R Assortments

• Message number: 167

• Message text: Material group not defined in assortment mat. group master

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WM167 - Material group not defined in assortment mat. group master ?

  The SAP error message WM167, which states "Material group not defined in assortment mat. group master," typically occurs in the context of Warehouse Management (WM) when the system is unable to find a defined material group in the assortment master data. This can happen during various processes, such as stock movements, inventory management, or when trying to create or manage materials in the warehouse.
  Cause:
  
  Missing Material Group Definition: The material group you are trying to use is not defined in the assortment master data.
  Incorrect Material Group Assignment: The material you are working with may not be assigned to the correct material group.
  Data Inconsistency: There may be inconsistencies in the master data, such as missing or incorrect entries in the material master or assortment master.
  
  Solution:
  
  
  Check Material Group Definition:
  
  Go to the transaction code OMD1 (or use the relevant path in your SAP system) to check the assortment master data.
  Ensure that the material group in question is defined and correctly set up in the assortment master.
  
  
  
  Assign Material Group:
  
  If the material group is missing, you may need to create it. Use transaction code MM01 to create a new material group if necessary.
  Ensure that the material you are working with is assigned to the correct material group in the material master. You can check this using transaction code MM02.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to review the material master data for the specific material. Check if the material group is correctly assigned.
  If the material group is incorrect, you can update it using MM02.
  
  
  
  Data Consistency Check:
  
  Run consistency checks in your SAP system to identify any discrepancies in the master data.
  You may also want to check for any recent changes or updates that could have affected the material group definitions.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to Warehouse Management and material groups for additional guidance.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  OMD1: Assortment Master Data
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Roles and Authorizations: Ensure that you have the necessary authorizations to view and modify material and assortment master data.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Warehouse Management.